Schneider Electric BMXP341000 CPU Module – Obsolete Modicon M340 Spare Part

Technical Dossier

Product Details And Specifications

Schneider Electric BMXP341000 CPU Module – Obsolete Modicon M340 Spare Part

RFQ support for obsolete parts: Send the model number, required quantity and destination so DriveKNMS can confirm sourcing options before quotation.

Technical Specifications

Solving the Discontinued Hardware Crisis

The Modicon M340 platform was widely deployed across process industries, water treatment, building automation, and discrete manufacturing throughout the 2000s and 2010s. The BMXP341000 served as the standard CPU for mid-range M340 configurations, handling ladder logic, function block, and structured text execution while managing Ethernet Modbus TCP communications natively.

Schneider Electric has formally moved its installed base toward the Modicon M580 and EcoStruxure Automation Expert platforms. Replacement parts for the M340 CPU family are no longer produced. For facilities still running M340 architectures, this creates a hard operational constraint: a single CPU failure with no spare on hand forces an immediate decision between an emergency procurement at premium cost — if a unit can even be located — or a full platform migration under crisis conditions.

The BMXP341000 is also commonly found in systems paired with Schneider Electric Altivar drives, Advantys STB distributed I/O, and third-party SCADA platforms communicating over Modbus TCP. Its removal from the supply chain affects not just the CPU itself but the entire validated control architecture built around it.

Condition & Reliability Assurance

Sourcing a discontinued CPU module from the secondary market carries real risk. DriveKNMS applies a 5-step quality assurance process to every BMXP341000 unit before it leaves our facility:

• Step 1 – Visual and Physical Inspection: Full examination of the PCB, connector pins, and housing for corrosion, mechanical damage, or evidence of prior field failure. Units with pin corrosion or burn marks are rejected outright.
• Step 2 – Electrolytic Capacitor Assessment: Aged electrolytic capacitors are a primary failure mode in legacy CPU modules. Each unit is assessed for capacitor bulging, leakage, and ESR degradation. Units with suspect capacitors are either reconditioned or removed from inventory.
• Step 3 – Firmware Version Verification: The installed firmware version is documented and disclosed. Customers requiring a specific firmware revision for compatibility with existing Unity Pro projects are advised prior to shipment.
• Step 4 – Functional Power-On Test: Each unit is powered and verified to initialize correctly, with communication ports confirmed active.
• Step 5 – Anti-Static Packaging and Documentation: Units are shipped in ESD-safe packaging with a condition report. Traceability documentation is provided on request.

Key Features for System Maintenance

How do I confirm the unit is genuine and not counterfeit?
All units sourced by DriveKNMS are inspected for authenticity markers including label integrity, PCB markings, and component consistency. We do not sell units that fail authenticity checks. Customers may request a pre-shipment inspection report.

Can you source other M340 modules?
Yes. DriveKNMS maintains inventory across the M340 product family including power supply modules, analog and digital I/O, and communication modules. Contact us with your full BOM for availability.